Solve for x

78.2+0.5x=287

What is the mass in kilograms of a 100-lb person on earth?

What is 6P4? A 720 B 360 C 15 D 24

If the rate of the boat in still water is 23 mph, and the rate of the current of a river is x mph, what is the rate of the boat in each case? a) The boat is going upstream (that is, against the current, which slows the boat down.

Which is greater 5/8 or 5/12?

A rug in the shape of a circle has a circumference of 36π. what is the area of the rug, in terms of π?

Michelle wants to borrow $2000. She has two options. Option 1 - she can borrow $2000 for 3 years at 7%. Option 2 - she can borrow $2000 for / years at 11%. Which loan will cost more?

In a group of 45 children, there are twice as many boys as girls. How many girls are there?

Translate: 6 times the quotient of x and two. 2. Translate 4 times the difference of n and 8

Marty's plumbing charges a fixed dollar amount per hour plus a fix service fee per job Felicia's plumbing charges $10 less per hour than mommy's plumbing but the fix service per job she charges is $10 more than Marneys plumbing charges Marty's

If the sum of a number and three is tripled, the result is five less than twice the number. Find the number